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Coupling Nuts in Zinc Plated

Coupling Nuts

Long hex couplers for joining threaded rod and studs.

$4.44per box of 25 · $0.18/pc

● In stock — typically ships within 1–2 business days

Order qty (packs)Per packPer pieceSave
1–4 packs$4.44$0.18
5–19 packs$4.08$0.16−8%
20+ packs$3.77$0.15−15%

Cost-effective indoor / dry corrosion protection (ASTM B633).

Active tier: 1–4 packs

SKU: IH-COUPLI-025-ZN-B25 · MPN: IRX-CN025ZNB25

Pack: 25 pieces · Ship weight: 1 lb · Brand: IronHex Fastener Co

Shipping is calculated by order amount and destination at checkout. USA-focused shipping with international options available. See shipping tiers →

Questions? Call +1 702-509-4651 or email sales@ironhexfastener.com

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Contractor or OEM volumes? Submit a BOM and we'll respond with line-item pricing within 4 business hours.

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Product description

Coupling NutsLong hex couplers for joining threaded rod and studs. Manufactured to Long hex coupler — ASME B18.2.2. Each unit is supplied as a factory-sealed package containing the exact piece count shown; no break-units, no estimated counts.

Finish — Zinc Plated. Cost-effective indoor / dry corrosion protection (ASTM B633). Use the finish that matches your environment: zinc for dry indoor work, hot-dip galvanized for outdoor and treated-lumber exposure, 18-8 stainless for general corrosion resistance, and 316 stainless for marine, coastal, and chemical service.

This variant. Size 1/4-20 · Box of 25 (25 pieces) · 1 lb ship weight · SKU IH-COUPLI-025-ZN-B25 · MPN IRX-CN025ZNB25. Price shown is per package and updates automatically as your order quantity crosses each tier break.

Typical applications. Hanger systems, equipment suspension, anchor extensions, and threaded-rod splicing for mechanical, electrical, and plumbing trades.

How to order. Select finish, exact size, and pack on this page. Quantity is in packs — per-piece cost is shown for reference. Public checkout accepts PayPal or Wire Transfer. Need volumes beyond tier 3 or a mixed BOM? Use Request Bulk Quote.